Abstract
The population structures of the three dominant planktonic halocyprid Ostracoda species in Admiralty Bay (King George Island, Antarctic Peninsula) were followed throughout the course of a year in zooplankton samples collected once every three weeks from February 1993 to January 1994. The sampling was conducted at two stations: A in the central part of Admiralty Bay (400–0 m) and B in the entrance to the Bay from the Bransfield Strait (400–0 m). The samples were taken using a WP-2 net (square mouth opening of 0.196 m2 and 200 μm mesh) hauled vertically from the bottom to the surface. Changes in the age structures of the populations of three species Alacia belgicae, Alacia hettacra and Metaconchoecia isocheira were tracked. Their population structures differed. The changes in A. belgicae suggested that it reproduces year-round, whereas both A. hettacra and M. isocheira probably complete their life cycles within a year. The cycle in A. hettacra probably starts earlier in the year than that of M. isocheira. Populations of A. belgicae and M. isocheira were more advanced in their development at station A, than at station B, but A. hettacra was more advanced at the latter. Advection appears to play a role in maintaining the populations in the shelf waters. Comparisons between populations in the shelf area (Admiralty Bay) and in open ocean waters (Croker Passage) show that the M. isocheira population is older in shelf water whereas the age structure of A. belgicae population is not influenced by the locality.
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References
Angel, M. V., 1977. Studies on Atlantic Halocyprid Ostracods: vertical distributions of the species in the top 1000 m in the vicinity of 44° N, 13° W. Journal of the Marine Biological Association of the United Kingdom 57: 239–252.
Angel, M. V., 1979. Studies on Atlantic halocyprid ostracods: their vertical distributions and community structure in the central gyre region along latitude 30°N off Africa to Bermuda. Progress in Oceanography 8: 3–124.
Angel, M. V., 1981. Ostracoda. In Boltovskoy, D. (eds), Atlas del zooplankton del Atlantico suboccidental y metodos de trabajo con el zooplancton marino, Mar del Plata. INIDEP, Argentina, 543–585.
Angel M. V. & M. J. R. Fasham, 1975. Analysis of the vertical and geographic distribution of the abundant species of planktonic Ostracods in the North-East Atlantic. Journal of the Marine Biological Association of the United Kingdom 55: 709–737.
Baar de, H. J. W. & P. W. Boyd, 2000. The role of iron in plankton ecology, carbon dioxide transfer of the global oceans. In Ducklow, H. W., J. G. Field & R. Hanson (eds) The changing ocean carbon cycle: a mid-term synthesis of the joint global ocean flux study. Cambridge University Press, Cambridge, 61–140.
Blachowiak-Samolyk, K., 1999. Distribution and population structure of pelagic Ostracoda near the Antarctic Peninsula in spring 1986 (BIOMASS III, October-November 1986). Polish Archives of Hydrobiology 46: 9–25.
Blachowiak-Samolyk, K., 2001. Comparative studies on population structures of Alacia belgicae and Metaconchoecia isocheira (Ostracoda) in the Croker Passage during various seasons. Polar Biology 24: 222–230.
Blachowiak-Samolyk, K. & M. V. Angel, 2004. http://ocean.iopan.gda.pl/ostracoda.
Blachowiak-Samolyk, K. & A. Osowiecki, 2002. Distribution and population structure of pelagic Ostracoda near the sea-ice edge in the Scotia Sea and the King George Island (December 1988-January 1989). Polish Polar Research 23: 135–152.
Blachowiak-Samolyk, K. & M. I. Zmijewska, 1995. Horizontal and vertical distribution of Ostracoda in the Drake Passage and Bransfield Strait (BIOMASS-SIBEX, December 1983-January 1984). Polish Polar Research 16: 41–54.
Blachowiak-Samolyk, K & M. I. Zmijewska, 1997. Planktonic Ostracoda in Croker Passage (Antarctic Peninsula) during two austral seasons: summer 1985/1986 and winter 1989. Polish Polar Research 18: 79–87.
Boden, B. P., 1985. The South African SIBEX I Cruise to the Prydz Bay region, 1984: VIII. The plankton encountered during the survey. South African Journal of Antarctic Research 15: 28–33.
Boden, B. P. & L. D. Parker, 1986. The plankton of the Prince Edward Islands. Polar Biology 5: 81–93.
Brady, G. S., 1907. Crustacea. V- Ostracoda. Natural History Report of the British Antarctic Discovery Expedition 3: 1–9.
Chavtur, V. G. & N. V. Kruk, 2003. Latitudinal distribution of pelagic ostracods (Halocyprididae) in the Australian-New Zealand sector of the Southern Ocean. Biologiya Morya, Vladivostok 29: 166–172.
Chavtur, V. G. & M. V. Angel. Tribe Metaconchoecini: a systematic revision of pelagic ostracods (Ostracoda: Halocyprididae) formerly in the genus Metaconchoecia and the description of a new species. Zootaxa (in press).
Chojnacki, J. & T. Weglenska, 1984. Periodicity of composition, abundance and vertical distribution of summer zooplankton (1977/1978) in Ezcurra Inlet, Admiralty Bay (King George Island). Journal of Plankton Research 6: 997–1017.
Clarke, K. R., 1993. Non-parametric multivariate analysis of changes in community structure. Australian Journal of Ecology 18: 117–143.
Deevey, G. B., 1978. A taxonomic and distributional study of the planktonic Ostracods collected on three cruises of the Eltanin in the South Pacific and the Antarctic region of the South Pacific. In: Kornicker, L.S. (ed.), Biology of the Antarctic Seas VIII. Antarctic Research Series 28: 43–70.
Deevey, G. B., 1982. A faunistic study of the planktonic Ostracoda (Myodocopa, Halocyprididae) collected on eleven cruises of the Eltanin between New Zealand, Australia, the Ross Sea, and the South Indian Ocean. In Kornicker, L. S. (ed.), Biology of the Antarctic Seas X. Antarctic Research Series 32: 131–167.
Drapun, I. E., 2004. Distribution of pelagic ostracods (Halocyprididae) in the western part of the Bransfield Strait, Antarctica. Morski Ekologicznij Journal 3: 25–36. (in Russian).
Foster, B. A., 1987. Composition and abundance of zooplankton under the spring sea ice of McMurdo Sound, Antarctica. Polar Biology 8: 17–35.
Foster, B. A., 1989. Time and depth comparison of sub-ice zooplankton in McMurdo Sound, Antarctica. Polar Biology 9: 431–435.
Freire A. S., M. J. C. Coelho & S. L. C. Bonecker, 1993. Short term spatial-temporal distribution patterns of zooplankton in Admiralty Bay (Antarctica). Polar Biology 13: 433–439.
Fukuchi, M., A. Tanimura & H. Ohtsuka, 1985. Zooplankton community conditions under sea ice near Syowa Station, Antarctica. Bulletin of Marine Science 37: 518–528.
Hartmann, G., 1968. Ostracoda (3. Lieferung). In Gruner, H.-E. (ed.), Dr. H. G. Bronns Klassen und Ordnungen des Tierreichs. Band 5 (Arthropoda), Abteilung I (Crustacea), Buch 2, Teil IV (Ostracoda) Akademische Verlagsgesellschaft, Leipzig, 409–568.
Hillman, N. S., 1967. Ecology of Antarctic pelagic Ostracoda. Antarctic Journal of the United States 2: 199–200.
Hillman, N. S., 1969. Ontogenetic studies of Antarctic pelagic Ostracoda. Antarctic Journal of the United States 4: 189–190.
Hopkins, T. L., 1985a. The zooplankton community of Croker Passage, Antarctic Peninsula. Polar Biology 4: 161–170.
Hopkins, T. L., 1985b. Food web of an Antarctic midwater ecosystem. Marine Biology 89: 197–212.
Ikeda, T., 1990. Ecological and biological features of a mesopelagic ostracod, Conchoecia pseudodiscophora, in the Japan Sea. Marine Biology 107: 453–461.
Ikeda, T., 1992. Laboratory observations on spawning, fecundity and early development of a mesopelagic ostracod, Conchoecia pseudodiscophora, from the Japan Sea. Marine Biology 112: 313–318.
Ikeda, T. & A. Imamura, 1992. Population structure and life cycle of the mesopelagic ostracod, Conchoecia pseudodiscophora, in Toyama Bay, southern Japan Sea. Marine Biology 113: 595–601.
Kittel, W., 1980. Population studies on Euphausia superba Dana, 1852 (Euphausiacea, Crustacea) in waters of the Admiralty Bay during austral summer of 1978. Polish Archives of Hydrobiology 27: 267–272.
Kittel, W. & P. Presler, 1980. Morphology of the post-larval developmental stages of Euphausia crystallorophias Holt et Tattersall, 1906 (Euphausiacea, Crustacea). Polish Archives of Hydrobiology 27: 259–265.
Kittel, W., J. Sicinski, M. I. Zmijewska, L. Bielecka & K. Blachowiak-Samolyk, 2001. Antarctic neritic zooplankton community (Admiralty Bay, King George Island, South Shetlands Islands). Polish Polar Research 22: 11–33.
Kock, R., 1992. Ostracods in the epipelagial zone off the Antarctic Peninsula - a contribution to the systematics and to their distribution and population structure with regard to seasonality. Berichte zur Polarforschungen 106: 1–209.
Kock, R., 1993. Planktonic ostracods along the Antarctic Peninsula during the 1989/90 summer season. Polar Biology 13: 495–499.
Lipski, M., 1987 Variations of physical conditions and chlorophyll “a” contents in Admiralty Bay (King George Island, South Shetlands Islands, 1979). Polish Polar Research 4: 307–322.
Menshenina, L. & S. Rakusa-Suszczewski, 1992. Zooplankton changes during the year in Admiralty Bay (February 1990-January 1991). Polish Archives of Hydrobiology 39: 49–58.
Moguilevsky, A. & M. V. Angel, 1975. Halocyprid ostracods in Atlantic neuston. Marine Biology 32: 295–302.
Müller, G. W., 1906. In Expédition antarctique Belge. Résultats du voyage du S. Y. Belgica en 1897–1898–1899 sous le commandement de A. de Gerlache de Gomery. Rapports scientifiques publiés aux frais du Gouvernement Belge, sous le Direction de la Commission de la Belgica. Zoologie, Ostracoden: 1–7.
Müller G. W., 1912. Ostracoda. In Schulze, F. E. (ed.), Das Tierreich, 31. Lieferung. Friedländer & Sohn, Berlin.
Pruszak, Z., 1980. Currents circulation in the waters of Admiralty Bay (region of Arctowski station on King George Island). Polish Polar Research 1: 55–74.
Rakusa-Suszczewski, S. & R. Stepnik, 1980. Three species of krill from Admiralty Bay (King George Island, South Shetlands) in summer 1978/79. Polish Archives of Hydrobiology 27: 273–284.
Sars, G. O., 1928. An account of the Crustacea of Norway, with short descriptions and figures of all the species, 9, Ostracoda 1–277. Bergen Museum, Bergen.
Sicinski, J., O. Rozycki & W. Kittel, 1996. Zoobenthos and zooplankton of Herve Cove, King George Island, South Shetlands Islands, Antarctic. Polish Polar Research 17: 221–238.
Siegel, V., A. Skibowski & U. Harm, 1992. Community structure of the epipelagic zooplankton community under the sea-ice of the northern Weddell Sea. Polar Biology 12: 15–24.
Szafranski, R. & M. Lipski, 1982 Characteristic of water temperature and salinity at Admiralty Bay (King George Island, South Shetlands Islands, Antarctic) during the austral summer 1978/1979. Polish Polar Research 3: 7–24.
Zmijewska, M. I., 1993a. Copepoda. In Rakusa-Suszczewski, S. (ed.), The Maritime Antarctic Coastal Ecosystem of Admiralty Bay. Department of Antarctic Biology, Polish Academy of Sciences, Warsaw: 64–66.
Zmijewska, M. I., 1993b. Seasonal and spatial variations in the population structure and life histories of the Antarctic copepod species Calanoides acutus, Calanus propinquus, Rhincalanus gigas, Metridia gerlachei and Euchaeta antarctica (Calanoida) in Croker Passage (Antarctic Peninsula). Oceanology 35: 73–100.
Acknowledgements
The authors would like to thank Prof. W. Kittel from Lodz University and Prof. M.I. Zmijewska from the University of Gdansk for their sharing plankton samples. Ph.D. student Monika Kedra carried out the original map for us. Special thanks are given to Dr. B. Urban-Malinga from the Sea Fisheries Institute in Gdynia for her very helpful statistical advice.
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Blachowiak-Samolyk, K., Angel, M.V. A year round comparative study on the population structures of pelagic Ostracoda in Admiralty Bay (Southern Ocean). Hydrobiologia 585, 67–77 (2007). https://doi.org/10.1007/s10750-007-0629-2
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DOI: https://doi.org/10.1007/s10750-007-0629-2